Karmada 1.5: Multi-Cloud Kubernetes Orchestration Evolution

Introduction

Karmada 1.5, released on April 18, 2023, is most relevant if you manage cloud resources from Kubernetes and want safer abstractions. It matters when you manage real infrastructure lifecycles: safer changes, clearer composition behavior, and fewer surprises during provider upgrades.

Multi-Cluster Orchestration

• Cluster management improvements simplify adding and managing clusters across cloud providers.
• Resource propagation enhancements enable better resource distribution across clusters.
• Policy management enables consistent policies across cluster fleets.
• Workload migration simplifies moving applications between clusters.

Scheduling Enhancements

1. Intelligent scheduling provides better resource placement decisions across clusters.
2. Affinity rules enable workload placement based on cluster characteristics.
3. Replication strategies support different replication patterns for high availability.
4. Load balancing improvements distribute workloads more efficiently.

Observability Features

• Unified monitoring provides visibility across all managed clusters.
• Metrics aggregation enables comprehensive metrics collection and analysis.
• Event tracking provides better visibility into cluster and resource events.
• Dashboard integration enables visualization of multi-cluster state.

Getting Started

kubectl apply -f https://github.com/karmada-io/karmada/releases/download/v1.5.0/install.yaml

Create a PropagationPolicy:

apiVersion: policy.karmada.io/v1alpha1
kind: PropagationPolicy
metadata:
  name: nginx-propagation
spec:
  resourceSelectors:
  - apiVersion: apps/v1
    kind: Deployment
    name: nginx
  placement:
    clusterAffinity:
      clusterNames:
      - cluster1
      - cluster2

Summary

Karmada 1.5 provides teams with powerful multi-cluster orchestration capabilities for managing Kubernetes across multiple cloud providers.